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Amy de Buitléir 2025-09-14 18:38:18 +01:00
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index.html
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@ -4917,7 +4917,7 @@ In this example, we will access the <code>extra</code> package from the <code>ha
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<div class="literalblock">
<div class="content">
<pre class="nowrap">$ runghc Main.hs # Won't work; package not available
<pre class="nowrap">$ runghc Main.hs # Won't work; dependency not available
Main.hs:1:1: error: [GHC-87110]
Could not find module ‘Data.List.Extra’.
@ -4926,7 +4926,7 @@ Main.hs:1:1: error: [GHC-87110]
1 | import Data.List.Extra
| ^^^^^^^^^^^^^^^^^^^^^^
$ nix develop
$ runghc Main.hs # Works now!
$ runghc Main.hs # Works in development environemnt
"abcde"
"XYZ"</pre>
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@ -5633,7 +5633,7 @@ Hello from your flake!</pre>
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<div id="footer">
<div id="footer-text">
Last updated 2025-09-14 18:15:21 IST
Last updated 2025-09-14 18:18:01 IST
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</div>
</body>

7
source/recipes/devshell/haskell-pkg/main.adoc0
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@ -14,6 +14,13 @@ Occasionally you might want to run a short Haskell program that depends on a Has
but you don't want to bother writing a cabal file.
In this example, we will access the `extra` package from the `haskellPackages` set in the nixpkgs repo.
[NOTE]
====
For non-trivial Haskell development projects,
it's usually more convenient to use `haskell-flake` as described in <<#haskell-flake>>,
together with the high-level workflow described in <<_development_workflows>>.
====
[source,nix,linenums,highlight='11,16']
.flake.nix
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